\chapter{Appendix}
\section{Definitions} \label{def}
In this section we want to define the differences between Osmosis and \projname. 
Both use the symbol of a pipeline for the information flow during the processing 
of the data. Here are some of the abstracts of Osmosis and how they are 
implemented in \projname.

\subsection{Task}
A task of Osmosis is called a function in \projname. This function is like a
container and in it lies the task. The advantage of this are the following
points:
\begin{itemize}
  \item you can always change the task to another similiar task without loosing
  common parameters and without deleting the function and her connections
  \item you do not have to set tee tasks (see \ref{tee} \nameref{tee})
  \item you do not have to handle all the in- and outpipes  (see \ref{pipes}
  \nameref{pipes})
\end{itemize}
\subsection{Tee Task} \label{tee}
\projname takes care about tee tasks. If you need one, you get one - but without
asking for it. You always can connect an outgoing connector to several ingoing
connectors of the same type (for connector see \ref{pipes} \nameref{pipes}).
\projname inserts in the function a tee tasks and connects it with the outgoing 
connector. You will not see it, but it works (see picture \ref{pic21}).
\begin{figure}[htb]
\begin{center}
\includegraphics[keepaspectratio, width=0.6\textwidth]{pics/21tee}
\end{center}
\caption{a tee task for the two Entity Bounding Boxes}
\label{pic21}
\end{figure}
\subsection{In- \& Outpipe} \label{pipes}
In Osmosis the information flow is symbolized as pipelines. If an information
leaves a task, it does through an outpipe. Otherwise it enters through an
inpipe. In \projname there are connectors with different colours - depending on
which type the connector is. You can connect only connectors of the same colour.
Connectors for inpipes are on the left, connectors for the outpipes are on the
right side of a function. If you want to connect an outgoing connector to
several ingoing connectors, just do it (see \ref{tee} \nameref{tee}).
